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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The type of rotary compressor used in gas turbines, is of

Centrifugal type
Radial flow type
Axial flow type
None of the listed here

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Compressors, Gas Turbines and Jet Engines
High air-fuel ratio is used in gas turbines

To reduce the exit temperature
To increase the efficiency
To save fuel
To increase the output

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Compressors, Gas Turbines and Jet Engines
The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called

Pressure ratio
Slip factor
Pressure coefficient
Degree of reaction

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Compressors, Gas Turbines and Jet Engines
The volumetric efficiency of a compressor falls roughly as follows for every 5°C increase in atmospheric temperature

0.05
0.001
0.005
0.01

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Compressors, Gas Turbines and Jet Engines
The ratio of isentropic work to Euler work is known as

Polytropic reaction
Pressure coefficient
Work coefficient
Slip factor

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Compressors, Gas Turbines and Jet Engines
A compressor at high altitude will draw

Same power
More/less power depending on other factors
Less power
More power

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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